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MINERAL IDENTIFICATION PROJECT


Search found 1 mineral.


Mineral
Hard- ness
Cleavage
Fracture
Trans- parency
10% HCl Reaction
SG
Luster
Color
Streak
Xtal Form
Mineral Class
Comments
anthracite (coal)
2.0
none
conchoidal
opaque
none
1.60
glassy
black
black
microcrystalline
organic
Not a mineral, but it was in the box of rocks of my first geology class. Being from California, I didn't know what it was!

 
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